IIT JEE Advanced 2007 Paper 1

Since the structural isomers refers to the compounds that have same molecular formula but different arrangement of atoms or groups within the molecule. Based on this, following are the structural isomers for C6H14:

n-hexane
H3C−

CH

| CH3

−CH2−CH2−CH3
2-Methyl pentane
H3C−CH2−

CH

| CH3

−CH2−CH3
3-Methyl pentane
H3C−

CH

| CH3

−

CH

| CH3

−CH3
2, 3-Dimethyl butane
H3C−

CH3 |

C

| CH3

−CH2−CH3
2, 2-Dimethyl butane